<ARTICLE> 5 <MULTIPLIER> 1 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> APR-01-1998 <PERIOD-END> JUN-30-1998 <EXCHANGE-RATE> 1 <CASH> 3,818,051 <SECURITIES> 6,823,447 <RECEIVABLES> 23,454,446 <ALLOWANCES> (460,448) <INVENTORY> 21,546,891 <CURRENT-ASSETS> 58,079,099 <PP&E> 25,476,833 <DEPRECIATION> (6,430,760) <TOTAL-ASSETS> 78,194,181 <CURRENT-LIABILITIES> 14,744,414 <BONDS> 32,768 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 26,138,013 <OTHER-SE> 37,278,986 <TOTAL-LIABILITY-AND-EQUITY> 78,194,181 <SALES> 31,651,353 <TOTAL-REVENUES> 0 <CGS> 18,739,405 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 7,651,403 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (77,761) <INCOME-PRETAX> 5,338,306 <INCOME-TAX> 2,028,556 <INCOME-CONTINUING> 3,309,750 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 3,309,750 <EPS-PRIMARY> 0.43 <EPS-DILUTED> 0.43